Home / 15,625.08-21,566.24-9,577.16

Finding the Fourth Proportional to 15,625.08, 21,566.24 and 9,577.16

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Solution

The fourth proportional to 15,625.08, 21,566.24 and 9,577.16 is: 13,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.08 : 21,566.24 = 9,577.16 : x
  2. Step 2: Convert to fraction form
    15,625.08/21,566.24 = 9,577.16/x
  3. Step 3: Cross multiply
    15,625.08x = 21,566.24 × 9,577.16
  4. Step 4: Simplify right side
    15,625.08x = 206,543,331.08
  5. Step 5: Solve for x
    x = 206,543,331.08/15,625.08
  6. Step 6: Final answer
    x = 13,218.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.